Home / 68,096,858.77-102,144,615.03-31,198,282.39

Finding the Fourth Proportional to 68,096,858.77, 102,144,615.03 and 31,198,282.39

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Solution

The fourth proportional to 68,096,858.77, 102,144,615.03 and 31,198,282.39 is: 46,797,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,858.77 : 102,144,615.03 = 31,198,282.39 : x
  2. Step 2: Convert to fraction form
    68,096,858.77/102,144,615.03 = 31,198,282.39/x
  3. Step 3: Cross multiply
    68,096,858.77x = 102,144,615.03 × 31,198,282.39
  4. Step 4: Simplify right side
    68,096,858.77x = 3,186,736,544,323,778.50
  5. Step 5: Solve for x
    x = 3,186,736,544,323,778.50/68,096,858.77
  6. Step 6: Final answer
    x = 46,797,115.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.